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Hollow-core optical fiber and single-mode optical fiber coupling structure and coupling method thereof
PendingCN119148295Anot easily affectedreduce entryCoupling light guidesOptical communicationLight signal
The invention relates to the technical field of optical communication, in particular to a hollow-core optical fiber and single-mode optical fiber coupling structure and a coupling method thereof.On one hand, a light converging part is arranged through corrosion, then the light converging part is inserted into a coupling pipe, operation is easy, accuracy is high, insertion core corrosion can be conducted in batches, production is facilitated, and through non-insertion type coupling, the coupling efficiency is improved; the coupling structure can be suitable for hollow-core optical fibers with various fiber core sizes, has lower connection loss and higher coupling efficiency, has higher flexibility and compatibility in the aspect of connection between the hollow-core optical fibers and other optical fibers, and is not easily influenced by external interference and environment; and on the other hand, by controlling the distance between the light converging part on the optical fiber coupling section and the joint of the coupling tube and the hollow-core optical fiber, the situation that reflected light enters the hollow-core optical fiber can be reduced, echo reflection is reduced, and therefore the transmission effect of optical signals is improved.
Owner:HUAZHONG UNIV OF SCI & TECH
Water turbidity detection method and device
InactiveCN119125007Anot easily affectedavoid sensitivityMaterial analysis by optical meansSemiconductor materialsTurbidity
The invention discloses a water turbidity detection method and device, and aims to solve the problems that a photoelectric sensor of an existing portable water turbidity meter is usually made of a semiconductor material, has photosensitivity, has dark current, is sensitive to external environment light and has large test errors. Respectively recording the output frequencies f0 and f1 of the high-precision QCM sensor when the light beam passes through the standard water body of the standard sample tube and the water body to be detected of the detected sample tube and then irradiates the high-precision QCM sensor, then converting the output frequencies f0 and f1 into corresponding illumination intensities I1 and I2, and finally obtaining a turbidity value S according to a turbidity value calculation formula. The sampled QCM sensor does not generate dark current and is not easily influenced by external environment light, so that the problem that the detection precision is influenced due to the fact that a photoelectric sensor based on a PN junction is sensitive to the external environment light is solved. The frequency (time) is a physical quantity with the highest test precision at present, and the method has higher precision.
Owner:四川省凉山生态环境监测中心站
Heat exchange device for dryer
ActiveCN222598384Uheating evenlyavoid enteringDrying gas arrangementsDrying solid materialsThermodynamicsElectric machinery
The utility model relates to the technical field of dryers, in particular to a heat exchange device for a dryer, which comprises a dryer body and a heater, one end of the dryer body is sequentially provided with a feeding port and a waste gas port, and the other end of the dryer body is sequentially provided with an air blower and the heater. A discharging opening and a driving assembly are sequentially mounted on the lower side of the drying machine main body; the drying machine has the beneficial effects that the connecting motor is started, so that the splitter plate can split hot air while rotating, high-temperature hot air can be uniformly fed into different parts in the drying machine main body, an over-high or over-low-temperature area is avoided, and therefore it is ensured that materials are uniformly heated in the drying process, and the drying efficiency is improved. The filter plate and the air inlet of the air blower are limited together by using the connecting bolt and the nut, so that the connecting pad and the placement groove form a sealing state, the filter plate can prevent dust and waste wadding from entering the air blower, and a heater of the dryer is not easily influenced by the dust and waste wadding.
Owner:JIANGSU HAIKE ENVIRONMENTAL TECH CO LTD
Steel pipe pile support structure
The utility model discloses a kind of steel pipe pile supporting structures, mainly include side slope, concrete layer, two pipe pile row groups and protective layer, the water surface of side slope and backwater surface are supported and reinforced by pipe pile row group, and prevent direct impact of water flow, simultaneously, by protective structure and concrete layer on the bottom and both sides waist surface of side slope are covered and protected, further improve the stability of side slope structure, and prevent soil layer from being impacted by water flow, thereby the overall of supporting structure is relatively stable, not easy to be affected by water flow, and the laying equipment of steel pipe pile is relatively mature, operation is relatively simple, without more artificial simultaneously, to improve the efficiency of construction.
Owner:SINOHYRDO ENG BUREAU 3 CO LTD
Method for evaluating volcanic ash activity of Bayer process red mud
PendingCN121994738AIncrease contentHigh compressive strengthMaterial analysis by optical meansPhysical chemistryFourier transform infra red spectroscopy
The invention relates to the technical field of cement and concrete, in particular to a Bayer process red mud volcanic ash activity evaluation method which comprises the following steps: calcining Bayer process red mud to be detected to obtain calcined Bayer process red mud; the polymerization degree of the calcined Bayer process red mud is measured by adopting Fourier transform infrared spectroscopy, the polymerization degree of the Bayer process red mud is in negative correlation with the activity, the pozzolanic activity of the Bayer process red mud is evaluated by measuring the polymerization degree, and the pozzolanic activity of the Bayer process red mud is evaluated by adopting the Fourier transform infrared spectroscopy to measure the polymerization degree of the Bayer process red mud. The polymerization degree of the red mud is reduced along with the increase of the volcanic ash activity and is in negative correlation, and the compressive strength and the dissolution solubility of Si + Al are in positive correlation with the volcanic ash activity of the red mud.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY
Butt joint board splicing equipment for ocean engineering group vertical mother boards
ActiveCN119525827Aadjustable positionImprove direction of movementWelding/cutting auxillary devicesAuxillary welding devicesSlag (welding)Butt joint
The invention discloses a butt joint board splicing device for ocean engineering group standing mother boards, and relates to the technical field of welding equipment.The butt joint board splicing device comprises a portal frame, a linear driver and a welding mechanism, the welding mechanism comprises a lead screw and a servo motor, a strip-shaped sliding block is installed on the outer side of the lead screw in a threaded mode, and a lifter is fixedly installed on the side of the outer side of the strip-shaped sliding block; a welding gun is fixedly installed at the output end of the lifter, a slag removal assembly is installed on the outer side of the welding gun and comprises an electric telescopic rod and a right-angle guide rod, a crescent block is fixedly installed at the output end of the electric telescopic rod, a zigzag scraping plate is rotatably installed at the bottom end of the right-angle guide rod, and a V-shaped elastic piece is fixedly installed on the side of the outer side of the zigzag scraping plate. And a stress rod is fixedly mounted in the middle of the top of the zigzag scraping plate. According to the butt joint board splicing equipment for the ocean engineering group vertical mother board, the effect of cleaning welding slag is achieved, the welding slag can be treated, influences are not likely to be caused, and butt joint board splicing is accurate.
Owner:COSCO SHIPPING (QIDONG) OFFSHORE CO LTD +1
Adapter
ActiveCN222191211UIntegrity guaranteedGuaranteed StrengthEngagement/disengagement of coupling partsCharging stationsButt jointCoupling
The utility model discloses a crossover coupling which comprises a shell and an insertion core assembly fixedly arranged in the shell, the shell comprises a first cavity and a second cavity which are integrally formed, the interior of the first cavity is hollow, the diameter of the first cavity is larger than that of the second cavity, and a limiting plate face is formed at the connecting position of the first cavity and the second cavity; the insertion core assembly comprises an insertion core shell and a group of connecting terminals, the inner end surface of the insertion core shell is provided with a limiting convex part used for limiting the butt joint position of the group of connecting terminals, the limiting plate surface is correspondingly provided with a limiting concave part, the inner end surface of the insertion core shell is fixedly connected with the front end surface of the limiting plate surface, and the limiting concave part is fixedly connected with the front end surface of the insertion core shell. And the limiting convex part is clamped in the limiting concave part. According to the utility model, whether the installation stability of the connection terminal group is qualified or not is detected in the assembly stage, and then the insertion core assembly is embedded in the shell as a whole, so that the assembly stability is ensured, and meanwhile, the assembly is maximally simple and convenient.
Owner:CHANGZHOU ZHILV NEW ENERGY TECH CO LTD
Collimation test light source and test method of mother board collimation light path
PendingCN119124560Aquality improvementnot easy to influenceOptical apparatus testingEngineeringTest light
The invention provides a collimation test light source and a test method of a mother board collimation light path. The collimation test light source comprises a light source body; the mask plate is arranged on one side of the light source body in the test state, the mask plate comprises a light-transmitting area and a light-proof area, and the light-proof area surrounds the light-transmitting area. During testing, the mask plate is arranged on one side of the light source body, it can be ensured that only the light transmitting area can transmit light emitted by the light source body, a high-quality line light source can be obtained, and a collimation testing light source is not prone to being affected by the external environment; when the collimation test light source is used for testing the collimation light path of the mother board, the test accuracy of the collimation light path can be improved.
Owner:BEIJING VISIONOX TECHNOLOGY CO LTD
Municipal river floating garbage cleaning device
ActiveCN222575431Ueasy to moveEasy to move aroundWater cleaningConveyorsRiver routingEnvironmental engineering
The utility model relates to the technical field of river channel cleaning equipment, and provides a municipal river channel floating garbage cleaning device which comprises a bottom plate, a collecting net, a buoy, two moving wheels, a conveying belt, a moving mechanism and a collecting mechanism, a collecting opening is formed in the bottom plate, the collecting net is arranged at the collecting opening, the buoy is arranged on the bottom plate, and the conveying belt is arranged on the conveying belt. The two moving wheels are arranged on the bottom plate, the conveying belt is arranged on the bottom plate, the moving mechanism is arranged on the bottom plate and used for driving the moving wheels to rotate, and the collecting mechanism is arranged on the bottom plate and used for collecting garbage in a river channel. The problems that in the prior art, a vehicle can only drive a cleaning device to move on the edge of a river channel, when some wide river channels are cleaned, the middle positions of the river channels are difficult to clean, the river channels are difficult to comprehensively clean, and therefore the cleaning efficiency and effect of the river channels are reduced are solved.
Owner:THE SECOND CO OF SHIJIAZHUANG DRAINAGE CORP
RGO / Zr-MOF composite sensing material for noise, preparation method of rGO / Zr-MOF composite sensing material and application of rGO / Zr-MOF composite sensing material in noise sensor
PendingCN119390995AImprove adsorption capacityImprove structural stabilitySubsonic/sonic/ultrasonic wave measurementUsing electrical meansDicarboxylic acidUltrasonic dispersion
The invention relates to the technical field of novel sensing materials, in particular to an rGO / Zr-MOF composite sensing material for noise, a preparation method of the rGO / Zr-MOF composite sensing material and application of the rGO / Zr-MOF composite sensing material to a noise sensor. The preparation method comprises the following steps: S1, ultrasonically dispersing graphene oxide GO in ethanol, then adding hydriodic acid, carrying out an oil bath reaction, removing iodine, centrifuging to obtain a solid product, centrifugally washing, and drying the solid product to obtain rGO; s2, zirconium salt is dissolved in N, N-dimethylformamide, an organic ligand 4, 4 '-stilbene dicarboxylic acid is added, then the rGO prepared in the S1 is added, ultrasonic dispersion is conducted, and then an oil bath reaction is conducted; and S3, carrying out centrifugal washing on the reaction liquid obtained in S2 to remove supernate, so as to obtain the rGO / Zr-MOF composite sensing material. The rGO / Zr-MOF composite sensing material prepared by the invention is used as a sensing element, and can efficiently receive noise and convert the noise into measurable electric signals.
Owner:CHIFENG POWER SUPPLY OF NORTHEAST CHINA GRID +1
Sterilization cabinet tray
ActiveCN222488236Unot easily affectedImprove operational convenienceLavatory sanitoryDisinfectionMechanical engineeringElectrical and Electronics engineering
The utility model relates to a sterilization cabinet tray which comprises a tray body and a sealing structure arranged on the surface of the tray body, the sealing structure comprises an installation cover fixedly installed on the top of the tray body and a butt joint cover fixedly installed at the bottom of the tray body, two movable blocks are installed on the inner wall of the installation cover in a sliding mode, and the movable blocks are connected with the butt joint cover. A first butt joint block and a second butt joint block are fixedly mounted at the tops of the two movable blocks correspondingly, a plurality of springs are fixedly mounted between the two movable blocks and the inner bottom wall of the mounting cover, and two sliding sleeves are fixedly mounted outside the mounting cover; and positioning blocks extending into the mounting cover are slidably mounted on the inner walls of the two sliding sleeves correspondingly, and the ends, located in the mounting cover, of the positioning blocks extend into the corresponding movable blocks. According to the sterilization cabinet tray, through the arrangement of the sealing structure, sterilized articles on the tray are not prone to being affected by bacteria in external air after a cabinet door of a sterilization cabinet is opened, and the sterilization effect of the articles on the tray is protected.
Owner:HUBEI YUMAI DINGTE ELECTRIC TECH CO LTD
Electronic smoking set
The utility model provides an electronic smoking set. The electronic smoking set comprises a smoking set shell, a capacitance detection assembly and a control circuit. The smoking set shell is provided with a cigarette inserting opening and a cavity communicated with the cigarette inserting opening, and the cavity is used for containing a cigarette. The capacitance detection assembly includes a detection unit and a first capacitance sensing element. Wherein the first capacitance sensing element is arranged at the position, staggered from the cigarette containing area, in a cavity of the smoking set shell, and the detection unit is used for detecting the capacitance value of the first capacitance sensing element and outputting a corresponding first capacitance detection signal. The control circuit is electrically connected with the detection unit, and the control circuit determines the number of smoking times of the cigarette in the smoking set shell by a user at least based on the first capacitance detection signal output by the detection unit. According to the electronic smoking set, the characteristic that flowing aerosol can change the self-capacitance of the first capacitance sensing element is used for detecting the smoking action of a user, and the detection accuracy is higher.
Owner:BYD PRECISION MANUFACTURE CO LTD
Polypropylene film cutting device
ActiveCN222155698UEasy to cutnot easily affectedMetal working apparatusStructural engineeringPolypropylene
The utility model discloses a polypropylene film cutting device which comprises an operation table and a cutting knife, the top of the operation table is provided with the cutting knife, the operation table is connected with a plate body through a rotating shaft, the top of the plate body is fixedly connected with a frame body, a sliding block is embedded in the frame body, the side face of the sliding block is provided with a shaft seat, and the shaft seat is fixedly connected with the frame body. The shaft seat is connected with a cutting knife through a bearing, a frame body is arranged outside the shaft seat, and a pull rod is arranged on one side of the frame body. According to the polypropylene film cutting device, the cutting knife is arranged in the frame body, due to the fact that the cutting device is installed, a worker can cut a film conveniently, then the worker only needs to hold a handle, then the frame body is slightly lifted up, the film penetrates through the bottom of the cutting knife, then the worker only needs to hold an anti-skid sleeve outside a pull rod, and the cutting knife is pulled out. And then the cutting knife in the frame body only needs to be pulled back and forth, so that the film can be cut, the film is not easily influenced by foreign objects during cutting, and the operation is relatively simple, time-saving and labor-saving.
Owner:RUIAN DONGWEI PLASTIC CO LTD
Novel high-strength porcelain insulator
ActiveCN119673582ARealize fixed installationGuaranteed installation strengthInsulatorsMechanical engineeringPorcelain insulator
The invention relates to the technical field of insulators, in particular to a novel high-strength porcelain insulator, which is characterized in that a lower clamp which is matched with an upper mounting piece to fix and clamp a power transmission cable is rotatably mounted on a limiting cross beam, a lower insertion block which is matched and inserted with an insulating column is arranged on the upper mounting piece, and a hook groove is formed in the lower insertion block; the beneficial effects are that the upper mounting piece with the hook groove is arranged, so that the upper mounting piece can be hung on the upper cross beam through reverse rotation in the dismounting and replacing process, and the lower mounting piece can be hung on the lower cross beam through reverse rotation in the dismounting and replacing process, so that the dismounting and replacing efficiency is improved, and the dismounting and replacing cost is reduced. Meanwhile, the insertion rod assembly is arranged to be matched with the hook groove of the lower insertion block, namely, the upper installation piece is fixed, meanwhile, fixed installation of the insulation column is achieved, the insertion rod assembly is inserted into the insulator and is not prone to being affected by the environment, and the installation strength and stability of the insulator are guaranteed.
Owner:PINGXIANG JIEWEI ELECTRIC PORCELAIN CO LTD
Compound cement and preparation method thereof
The invention relates to the technical field of cement admixtures, and discloses compound cement and a preparation method thereof, and the compound cement is prepared by mixing a main component and a compound component. The components of the compound cement mainly comprise kaolin, slag powder and limestone powder which are natural minerals and wastes and have good environmental friendliness, the slag powder is a by-product generated in the steel smelting process and effectively reduces the influence of the wastes on the environment, and the used natural polymer is a mixture of polylactic acid and sodium alginate, so that the compound cement has the advantages of environmental protection and environmental protection. According to the present invention, the cement is derived from renewable resources, is natural and biodegradable, reduces the demand for synthesis of organic compounds so as to reduce the potential pollution of the organic compounds to the environment, uses deionized water as the solvent to ensure that no additional mineral substance or pollutant is mixed into the cement so as to improve the purity and the environmental protection characteristic of the cement, and has the characteristics of environmental protection and environmental protection; the finished compound cement has the beneficial effects that the finished compound cement has an environment-friendly effect and does not generate organic compounds to pollute the environment.
Owner:TAIHE YUHUA CEMENT CO LTD
Building wall construction protection device
ActiveCN222576315UGuaranteed to be fixed and stableImprove stabilityFencingArchitectural engineeringRoad surface
The utility model relates to a building wall construction protection device which comprises a plurality of fixing assemblies used for being sequentially arranged at the top of a building outer wall at intervals, each fixing assembly comprises a supporting frame used for being erected at the top of the building outer wall, and the supporting frames are provided with a plurality of clamping seats used for being clamped and fixed to the top of the building outer wall. A protection assembly is arranged between every two adjacent fixing assemblies, each protection assembly comprises a base used for being placed on the ground and a blocking base arranged on the base and used for enclosing the construction site, and the upper end of each blocking base is fixedly arranged between the supporting frames on the two sides. The road protection device has the advantages of being not prone to being affected by pothole road surfaces, good in protection effect, safe and stable.
Owner:ZHEJIANG ZHANRONG CONSTR GRP CO LTD
Closed sighting telescope
ActiveCN222188027Unot easily affectedStrong anti-interferenceSighting devicesEyepieceInterference resistance
The utility model relates to the technical field of firearm sights, in particular to a closed sighting telescope. The sighting telescope comprises a sighting telescope body, an objective lens and an eyepiece, the objective lens and the eyepiece are connected to the two ends of the sighting telescope body respectively and located in the same sight line direction, the sighting telescope body, the objective lens and the eyepiece form a closed space, the reflecting face of the objective lens is located on one side of the closed space, and a positioning hole is formed in the bottom of the sighting telescope body and matched with a positioning pin of a firearm in an aligned mode. The sighting telescope body is connected to a firearm through a fastener. The closed sighting telescope is provided with a sealed waterproof structure, the reflection surface of the objective lens is protected in a sealed environment, the reflection surface of the objective lens is not easily influenced by water vapor, dust and the like in the environment, and the closed sighting telescope is high in interference resistance and wide in application scene range. The sighting telescope body and a firearm are installed in an aligned mode through the positioning hole, the assembling process is simple, and the installation precision is also guaranteed.
Owner:高爱泉
Operation and maintenance robot for disposing radioactive waste
PendingCN119393630Aeasy to cleanreduce the amount requiredHollow article cleaningManipulatorControl engineeringImage detection
The invention relates to an operation and maintenance robot for disposing radioactive waste, and belongs to the technical field of pipeline cleaning equipment. The operation and maintenance robot for disposing the radioactive waste comprises a supporting module, a movable wheel set, a cleaning module, a visual sensor and a control module. The supporting module comprises a plurality of supporting beams which are hinged in sequence; a movable wheel set is arranged at the joint of every two adjacent supporting beams, and the two ends of each supporting beam abut against the two opposite sides of the inner wall of the pipeline through the movable wheel sets. The visual sensor is used for acquiring an internal image of the pipeline and determining the inner diameter size and the internal structure of the pipeline based on an image detection algorithm; the control module controls the distance between any two adjacent movable wheel sets based on the inner diameter size of the pipeline so as to change the size of the supporting module in the inner diameter direction of the pipeline. The supporting module is controlled to rotate based on the internal structure of the pipeline so as to be attached to the inner wall of the pipeline. According to the operation and maintenance robot for disposing the radioactive waste, the cleaning requirements of complex pipelines and equipment can be met.
Owner:北京群源电力科技有限公司
Anti-sinking reinforced audio and video recording device
PendingCN119131930Anot easily affectedSimple structureTelevision system detailsRegistering/indicating working of vehiclesComputer hardwareVideo record
The invention relates to an anti-sinking reinforced audio and video recording device, which comprises an anti-sinking floating force mechanism, a recording host, an escape adapter plate, a control box and a direction adjusting bracket, wherein the control box is used for comprehensive control and is provided with a distributed storage unit; a lifting lug is arranged at the top of the video recording host and is connected with an anti-sinking and anti-floating force mechanism; the bottom of the video recording host is connected with an escape adapter plate. The escape adapter plate comprises a positioning lug, a positioning hole and a connecting hole; the positioning lug faces outwards and is provided with a positioning hole of the through hole; a positioning rod is arranged on the direction adjusting bracket; according to the anti-sinking device, it is ensured that equipment recording data cannot sink into the seabed along with a ship, the structure is simple, setting is convenient, the anti-sinking function is stable, and the anti-sinking device is not prone to being affected by the external environment.
Owner:SHAANXI KELINTIANCHENG TECH CO LTD
Cooling system and method for server cluster
ActiveCN114173519Bnot easily affectedimprove sustainabilityCooling/ventilation/heating modificationsWater useSprayer
The present disclosure relates to a cooling system and method for a server cluster, and belongs to the field of computer technology. The cooling system includes: a water supply system, which is arranged outside the unit of the server cluster and is connected to the water circulation system, and is used to transport external clean water to the water circulation system; a water circulation system, which is arranged inside the unit of the server cluster, wherein the water circulation system includes a spray device, and the spray device is used to cool the unit by spraying water; a control system, which is used to switch the working mode of the cooling system, wherein, if it is detected that the water quality of the external clean water does not meet the water quality requirements, a first mode conversion signal is generated, and the first mode conversion signal is used to stop transporting the external clean water to the water circulation system, and start the water collection tank of the water circulation system to provide water for spraying for the spray device. It can effectively avoid the influence of the dirt of the external clean water on the spraying effect, realize the sustainability of the spraying effect of the cooling system, and thus ensure the cooling effect of the cooling system.
Owner:BEIJING DAJIA INTERNET INFORMATION TECH CO LTD
Planetary carrier and gear box
A planetary carrier and a gear box comprising same. The planetary carrier comprises a first web plate (10), a second web plate (11), a first support plate (13) connected to the first web plate, and a second support plate (14) connected to the second web plate, wherein the side of the first support plate that faces the second support plate is provided with a plurality of first support portions (131), the number of first support portions being the same as that of planetary gear shafts (4); the side of the second support plate that faces the first support plate is provided with second support portions (141) corresponding to the first support portions; each first support portion and the second support portion corresponding to the first support portion are used for supporting one planetary gear shaft; and a first recessed portion (132) is formed between every two adjacent first support portions, and a second recessed portion (142) is formed between every two adjacent second support portions. The first and second web plates of the planetary carrier do not directly support the planetary gear shafts, such that the deformation of the web plates will not be transferred to the planetary gear shafts, thereby avoiding an uneven load for a planetary gear train caused by the deformation of the web plates.
Owner:ZF WIND POWER (TIANJIN) CO LTD
Single-chip integrated pixel matrix LED street lamp
ActiveCN222578202Unot easily affectedImprove the protective effectLighting elementsProtective devices for lightingWater flowMaterials science
The utility model discloses a single-chip integrated pixel matrix LED street lamp which comprises a base, a fixing plate is arranged at the upper end of the base, a water distribution disc is arranged at the lower end of a collecting bin, a wiping ring is arranged at the lower end of the water distribution disc, and a valve plate is connected to the inner side of the fixing plate in a sliding mode. The lower end of the fixing plate is fixedly connected with a single-chip integrated pixel matrix LED street lamp, and a protective flow board is arranged on the outer side of the single-chip integrated pixel matrix LED street lamp. By means of the structure, the valve plate is slidably connected to the inner side of the fixing plate, so that collected water flow can drop on the wiping ring, the outer side of the single-chip integrated pixel matrix LED street lamp can be wiped cleanly, the single-chip integrated pixel matrix LED street lamp is prevented from being affected by dirt, the lower end of the protective water flow plate is fixedly connected with the extending protective reinforcing plate, and the protective water flow plate is fixedly connected with the extending protective reinforcing plate. Therefore, the single-chip integrated pixel matrix LED street lamp at the lower end can be protected, a good protection effect is achieved, water can be prevented, and damage of the single-chip integrated pixel matrix LED street lamp can be prevented.
Owner:JIANGSU KEHENG CONSTR ENG CO LTD
Method for identifying largehead atractylodes rhizome provenance by using EST-SSR (expressed sequence tag-simple sequence repeat) primer
PendingCN119193900Arapid identificationvalid identificationMicrobiological testing/measurementDNA/RNA fragmentationBiotechnologyTissue sample
The invention discloses a method for identifying largehead atractylodes rhizome provenance by using EST-SSR (expressed sequence tag-simple sequence repeat) primers, and relates to the technical field of molecular markers in molecular biology. According to the method for distinguishing the seed sources of the bighead atractylodes rhizome by using the EST-SSR primers, the bighead atractylodes rhizome can be rapidly and effectively distinguished, the identification result is not easily influenced by the environment, the bighead atractylodes rhizome can be effectively distinguished through tissue samples at the seedling stage of the bighead atractylodes rhizome, and planting enterprises and farmers can be prevented from suffering from heavy loss caused by planting wrong varieties.
Owner:ZHEJIANG INST OF TRADITIONAL CHINESE MEDICINE CO LTD
Glycosylated protein sensor, assay method, program, and sensor manufacturing method
The present invention provides a glycated protein sensor comprising an immobilized protease, an immobilized ketoamine oxidase and a hydrogen peroxide detection unit.
Owner:PROVIGATE KK
Concrete mold bag with high tensile strength
The utility model discloses a concrete mould bag with high tensile strength, which comprises a mould bag body, the mould bag body comprises an upper-layer cloth and a lower-layer cloth, a mould cavity is formed between the upper-layer cloth and the lower-layer cloth, the upper-layer cloth comprises polypropylene fiber yarns, the polypropylene fiber yarns are interlaced and woven, and the mould cavity is formed between the upper-layer cloth and the lower-layer cloth. The upper-layer cloth comprises polypropylene fiber yarns, cotton and linen fiber yarns are wound on the outer sides of the polypropylene fiber yarns, the lower-layer cloth comprises carbon fiber yarns and aromatic polyamide fiber yarns, the aromatic polyamide fiber yarns and the carbon fiber yarns are mutually woven, and connecting nets are fixedly connected in a groove of the mold cloth bag body and are distributed in a staggered manner. According to the utility model, the carbon fiber yarns and the polypropylene fiber yarns are matched for use, so that the tensile toughness of the mold cloth bag body is enhanced, the tensile effect is better, the mold cloth bag body is more durable, and the mold cloth bag has antibacterial, deodorant and anti-static effects through the cotton and linen fiber yarns.
Owner:WUXI ZHONGSHUI NEW GEOSYNTHETIC MATERIALS CO LTD
Mining lamp integrating sunlight and LED
ActiveCN222651115UImprove efficiencynot easily affectedLighting applicationsMechanical apparatusIlluminanceLight guide
The utility model relates to the technical field of mining lamps, and discloses a sunlight and LED integrated mining lamp which comprises an embedded part, the top of the embedded part is provided with a protective cover allowing sunlight to enter, a light guide part is arranged in the embedded part, and the light guide part guides light entering the protective cover downwards so that the light can be evenly scattered out. An LED light source part for irradiating the lower part is arranged at the bottom of the outer ring of the light guide part; and a controller is arranged to carry out on-off control on the LED light source part according to the solar illuminance. The protective cover can effectively protect internal parts and prolong the service life of the internal parts; the light guide part not only guides the sunlight to the lower part, but also ensures that the sunlight can be uniformly scattered, so that wider and more uniform illumination is provided; the light loss can be reduced; the LED light source part is located at the bottom of the light guide part and can provide illumination at night or under the condition of insufficient light; and the controller adjusts the on-off of the LED light source according to the solar illuminance so as to control the lamp.
Owner:DONGGUAN PERFECT SCI & TECH
Positioning tool for manufacturing automobile air conditioner pipeline sample piece
ActiveCN222627525UImprove stabilityImprove carrying capacityWork holdersStructural engineeringMechanical engineering
Owner:GUANGHAO AUTO PARTS (HEFEI) CO LTD
Building outer wall surface heat preservation and insulation board
ActiveCN222649092Uavoid spreadingGood fire and heat insulationClimate change adaptationHeat proofingFire retardantMechanical engineering
The utility model relates to the technical field of heat insulation boards, and discloses a building outer wall surface heat insulation board which comprises a rock wool board frame, decorative tiles are bonded on the front face of the rock wool board frame, butt joint wall attaching structures are arranged on the upper side and the lower side of the rock wool board frame, a polyurethane board is bonded in the rock wool board frame, and a rock wool baffle is bonded on the rear side of the rock wool board. An interwoven net is connected in the rock wool baffle and located on the rear side of the polyurethane plate, and a fire retardant container filled with a fire retardant is connected to the interwoven net. The utility model has the advantages of good fireproof and heat insulation effects, convenience in adhesion to an outer wall and good stability.
Owner:SUZHOU CHANGYINYUN THERMAL INSULATION TECH CO LTD
A camera posture automatic adjustment method and system
ActiveCN118261977Bimprove accuracynot easy to influenceImage analysisCharacter and pattern recognitionPattern recognitionVisual technology
The present invention provides a method and system for automatically adjusting the position and posture of a camera, which belongs to the field of computer vision technology, and includes: using a deep learning algorithm and a traditional machine learning algorithm to obtain matching points between a camera-taken picture and a reference picture, and filtering out erroneous matching points; obtaining camera internal parameters through camera calibration, and using epipolar geometry and triangulation to obtain the three-dimensional coordinates of matching points; using a direct linear transformation algorithm to obtain the position and posture of the camera, thereby adjusting the camera posture; and finally using an identifier on the picture to adjust the error so that the error is within a controllable range. The present invention adopts a camera adaptive adjustment algorithm, which is simple to implement, not easily affected by the external environment, and has high execution efficiency, and can greatly improve the accuracy of camera calibration.
Owner:WUHAN DASHUIYUN TECH CO LTD
Carbon fiber physical foaming coaxial cable
ActiveCN222619433UImprove shielding effectnot easy to influenceCoaxial cables/analogue cablesClimate change adaptationCoaxial cableCarbon fibers
The utility model discloses a carbon fiber physical foaming coaxial cable, which comprises a conductor, an insulating layer, a semiconductor isolating layer, a shielding layer and a sheath layer, the insulating layer is wrapped outside the conductor, the semiconductor isolating layer is arranged between the insulating layer and the shielding layer, the sheath layer is wrapped outside the shielding layer, and the shielding layer is arranged between the insulating layer and the shielding layer. And the conductor, the insulating layer and the sheath layer are coaxially arranged. According to the carbon fiber physical foaming coaxial cable provided by the utility model, the semiconductor isolation layer is adopted, so that the coaxial cable has good shielding performance and good high-frequency noise elimination capability, and is not easily influenced by external electromagnetic waves during signal transmission.
Owner:ZHUHAI YUXUN COAXIAL CABLE